1.1 KiB
1.1 KiB
id, challengeType, title, videoUrl, localeTitle
id | challengeType | title | videoUrl | localeTitle |
---|---|---|---|---|
5900f5331000cf542c510046 | 5 | Problem 455: Powers With Trailing Digits | 问题455:使用尾随数字的权力 |
Description
例如:
f(4)= 411728896(4411728896 = ... 490411728896)f(10)= 0 f(157)= 743757(157743757 = ... 567000743757)Σf(n),2≤n≤103= 442530011399查找Σf(n ),2≤n≤106。
Instructions
Tests
tests:
- text: <code>euler455()</code>应该返回450186511399999。
testString: assert.strictEqual(euler455(), 450186511399999);
Challenge Seed
function euler455() {
// Good luck!
return true;
}
euler455();
Solution
// solution required
/section>